From 6be14d385ae93906e91239324952acd0c277b2bf Mon Sep 17 00:00:00 2001
From: Andy Heathershaw <andy@andys.eu>
Date: Thu, 22 Sep 2016 07:34:18 +0100
Subject: [PATCH] Rewrote the upload functionality using KnockoutJS. This now
 allows failed files to be shown to the user to re-upload.

---
 .gitignore                                    |   3 +-
 .idea/webServers.xml                          |   2 +-
 app/AlbumSources/LocalFilesystemSource.php    |   2 +-
 .../Controllers/Admin/AlbumController.php     |   5 +
 .../Controllers/Admin/DefaultController.php   |   5 +
 .../Controllers/Admin/PhotoController.php     |  41 ++++--
 app/Http/Controllers/InstallController.php    |   4 +-
 config/app.php                                |   4 +-
 public/themes/base/js/app.js                  | 103 +++++++++++++++
 public/themes/base/js/knockout.min.js         | 123 ++++++++++++++++++
 resources/lang/en/admin.php                   |  12 +-
 resources/lang/en/forms.php                   |   1 +
 resources/lang/en/gallery.php                 |   5 +
 .../themes/base/admin/show_album.blade.php    | 113 ++++++----------
 .../views/themes/base/gallery/index.blade.php |   3 +-
 resources/views/themes/base/layout.blade.php  |   1 +
 16 files changed, 331 insertions(+), 96 deletions(-)
 create mode 100644 public/themes/base/js/knockout.min.js
 create mode 100644 resources/lang/en/gallery.php

diff --git a/.gitignore b/.gitignore
index a5e231c..2e0092e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,5 @@
 Homestead.json
 Homestead.yaml
 .env
-composer.phar
\ No newline at end of file
+composer.phar
+Thumbs.db
\ No newline at end of file
diff --git a/.idea/webServers.xml b/.idea/webServers.xml
index 855a61e..2513c38 100644
--- a/.idea/webServers.xml
+++ b/.idea/webServers.xml
@@ -3,7 +3,7 @@
   <component name="WebServers">
     <option name="servers">
       <webServer id="b14a34b0-0127-4886-964a-7be75a2281ac" name="Development" url="http://blue-twilight-dev.andys.eu">
-        <fileTransfer host="andyhaa1.miniserver.com" port="22" rootFolder="/srv/www/blue-twilight-dev" accessType="SFTP">
+        <fileTransfer host="miami.andys.eu" port="22" rootFolder="/srv/www/blue-twilight-dev" accessType="SFTP">
           <advancedOptions>
             <advancedOptions dataProtectionLevel="Private" />
           </advancedOptions>
diff --git a/app/AlbumSources/LocalFilesystemSource.php b/app/AlbumSources/LocalFilesystemSource.php
index 3563d1b..616047f 100644
--- a/app/AlbumSources/LocalFilesystemSource.php
+++ b/app/AlbumSources/LocalFilesystemSource.php
@@ -40,7 +40,7 @@ class LocalFilesystemSource implements IAlbumSource
 
     public function deleteThumbnail(Photo $photo, $thumbnail = null)
     {
-        return unlink($this->getPathToPhoto($photo, $thumbnail));
+        return @unlink($this->getPathToPhoto($photo, $thumbnail));
     }
 
     public function getOriginalsFolder()
diff --git a/app/Http/Controllers/Admin/AlbumController.php b/app/Http/Controllers/Admin/AlbumController.php
index 2ea0758..2378992 100644
--- a/app/Http/Controllers/Admin/AlbumController.php
+++ b/app/Http/Controllers/Admin/AlbumController.php
@@ -17,6 +17,11 @@ use Illuminate\Support\Facades\DB;
 
 class AlbumController extends Controller
 {
+    public function __construct()
+    {
+        $this->middleware('auth');
+    }
+
     public function analyse($id)
     {
         $this->authorize('admin-access');
diff --git a/app/Http/Controllers/Admin/DefaultController.php b/app/Http/Controllers/Admin/DefaultController.php
index 40d485c..65eb404 100644
--- a/app/Http/Controllers/Admin/DefaultController.php
+++ b/app/Http/Controllers/Admin/DefaultController.php
@@ -20,6 +20,11 @@ use Illuminate\Support\Facades\Mail;
 
 class DefaultController extends Controller
 {
+    public function __construct()
+    {
+        $this->middleware('auth');
+    }
+
     public function index()
     {
         $this->authorize('admin-access');
diff --git a/app/Http/Controllers/Admin/PhotoController.php b/app/Http/Controllers/Admin/PhotoController.php
index 1e93620..cfca75d 100644
--- a/app/Http/Controllers/Admin/PhotoController.php
+++ b/app/Http/Controllers/Admin/PhotoController.php
@@ -17,11 +17,17 @@ use App\Http\Controllers\Controller;
 use Illuminate\Http\UploadedFile;
 use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Log;
 use Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator;
 use Symfony\Component\HttpFoundation\File\File;
 
 class PhotoController extends Controller
 {
+    public function __construct()
+    {
+        $this->middleware('auth');
+    }
+
     public function analyse($photoId)
     {
         $this->authorize('admin-access');
@@ -164,29 +170,38 @@ class PhotoController extends Controller
 
         // Load the linked album
         $album = $this->loadAlbum($request->get('album_id'));
+        $isSuccessful = false;
 
         foreach ($photoFiles as $photoFile)
         {
             $photoFile = UploadedFile::createFromBase($photoFile);
+            if ($photoFile->getError() != UPLOAD_ERR_OK)
+            {
+                Log::error('Image upload failed.', ['error' => $photoFile->getError(), 'reason' => $photoFile->getErrorMessage()]);
+            }
+            else
+            {
+                /** @var File $savedFile */
+                $savedFile = $album->getAlbumSource()->saveUploadedPhoto($photoFile);
 
-            /** @var File $savedFile */
-            $savedFile = $album->getAlbumSource()->saveUploadedPhoto($photoFile);
+                $photo = new Photo();
+                $photo->album_id = $album->id;
+                $photo->user_id = Auth::user()->id;
+                $photo->name = pathinfo($photoFile->getClientOriginalName(), PATHINFO_FILENAME);
+                $photo->file_name = $photoFile->getClientOriginalName();
+                $photo->storage_file_name = $savedFile->getFilename();
+                $photo->mime_type = $savedFile->getMimeType();
+                $photo->file_size = $savedFile->getSize();
+                $photo->is_analysed = false;
+                $photo->save();
 
-            $photo = new Photo();
-            $photo->album_id = $album->id;
-            $photo->user_id = Auth::user()->id;
-            $photo->name = pathinfo($photoFile->getClientOriginalName(), PATHINFO_FILENAME);
-            $photo->file_name = $photoFile->getClientOriginalName();
-            $photo->storage_file_name = $savedFile->getFilename();
-            $photo->mime_type = $savedFile->getMimeType();
-            $photo->file_size = $savedFile->getSize();
-            $photo->is_analysed = false;
-            $photo->save();
+                $isSuccessful = true;
+            }
         }
 
         if ($request->isXmlHttpRequest())
         {
-            return response()->json(['is_successful' => true]);
+            return response()->json(['is_successful' => $isSuccessful]);
         }
         else
         {
diff --git a/app/Http/Controllers/InstallController.php b/app/Http/Controllers/InstallController.php
index 295bb98..022b4ed 100644
--- a/app/Http/Controllers/InstallController.php
+++ b/app/Http/Controllers/InstallController.php
@@ -75,10 +75,10 @@ class InstallController extends Controller
             ];
             config(['database' => array_replace_recursive(config('database'), $configData)]);
 
-            DB::reconnect();
-
             try
             {
+                DB::reconnect();
+
                 Artisan::call('cache:clear');
                 Artisan::call('migrate', ['--force' => true]);
 
diff --git a/config/app.php b/config/app.php
index bf8c89a..74227d4 100644
--- a/config/app.php
+++ b/config/app.php
@@ -122,8 +122,8 @@ return [
     |
     */
 
-    'log' => env('APP_LOG', 'single'),
-
+    'log' => 'daily',
+    'log_max_files' => 30,
     'log_level' => env('APP_LOG_LEVEL', 'debug'),
 
     /*
diff --git a/public/themes/base/js/app.js b/public/themes/base/js/app.js
index e69de29..ee969e4 100644
--- a/public/themes/base/js/app.js
+++ b/public/themes/base/js/app.js
@@ -0,0 +1,103 @@
+function UploadPhotosViewModel(album_id, language, urls)
+{
+    var self = this;
+
+    self.currentStatus = ko.observable('');
+    self.imagesFailed = ko.observable(0);
+    self.imagesUploaded = ko.observable(0);
+    self.imagesTotal = ko.observable(0);
+    self.isUploadInProgress = ko.observable(false);
+    self.statusMessages = ko.observableArray();
+
+    self.failedPercentage = ko.computed(function()
+    {
+        return ((self.imagesFailed() / self.imagesTotal()) * 100).toFixed(2) + '%';
+    });
+
+    // This method is called when an image is uploaded - regardless if it fails or not
+    self.onUploadCompleted = function()
+    {
+        self.currentStatus(language.upload_status
+            .replace(':current', (self.imagesUploaded() + self.imagesFailed()))
+            .replace(':total', self.imagesTotal()));
+
+        if ((self.imagesFailed() + self.imagesUploaded()) >= self.imagesTotal())
+        {
+            self.isUploadInProgress(false);
+
+            if (self.imagesFailed() == 0 && self.imagesUploaded() > 0)
+            {
+                window.location = urls.analyse;
+            }
+        }
+    };
+
+    // This method is called when an uploaded image fails
+    self.onUploadFailed = function(data, file_name)
+    {
+        self.imagesFailed(self.imagesFailed() + 1);
+        self.statusMessages.push({
+            'message_class': 'text-danger',
+            'message_text': language.image_failed.replace(':file_name', file_name)
+        });
+        self.onUploadCompleted();
+    };
+
+    // This method is called when an uploaded image succeeds
+    self.onUploadSuccessful = function(data, file_name)
+    {
+        if (data.is_successful)
+        {
+            self.imagesUploaded(self.imagesUploaded() + 1);
+            // Don't add to statusMessages() array so user only sees errors
+            /*self.statusMessages.push({
+                'message_class': 'text-success',
+                'message_text': language.image_uploaded.replace(':file_name', file_name)
+            });*/
+            self.onUploadCompleted();
+        }
+        else
+        {
+            self.onUploadFailed(data, file_name);
+        }
+    };
+
+    self.startUpload = function(number_images)
+    {
+        self.currentStatus('');
+        self.statusMessages.removeAll();
+        self.imagesUploaded(0);
+        self.imagesFailed(0);
+        self.imagesTotal(number_images);
+        self.isUploadInProgress(true);
+    };
+
+    self.successfulPercentage = ko.computed(function()
+    {
+        return ((self.imagesUploaded() / self.imagesTotal()) * 100).toFixed(2) + '%';
+    });
+
+    self.uploadFile = function uploadImageFile(formObject, imageFile)
+    {
+        var formData = new FormData();
+        formData.append('album_id', album_id);
+        formData.append('photo[]', imageFile, imageFile.name);
+
+        $.ajax(
+            {
+                contentType: false,
+                data: formData,
+                error: function(data) {
+                    self.onUploadFailed(data, imageFile.name);
+                },
+                method: $(formObject).attr('method'),
+                processData: false,
+                success: function(data) {
+                    self.onUploadSuccessful(data, imageFile.name);
+                },
+                url: $(formObject).attr('action')
+            }
+        );
+        viewModel.isUploadInProgress(true);
+    };
+}
\ No newline at end of file
diff --git a/public/themes/base/js/knockout.min.js b/public/themes/base/js/knockout.min.js
new file mode 100644
index 0000000..059d58f
--- /dev/null
+++ b/public/themes/base/js/knockout.min.js
@@ -0,0 +1,123 @@
+/*!
+ * Knockout JavaScript library v3.4.0
+ * (c) Steven Sanderson - http://knockoutjs.com/
+ * License: MIT (http://www.opensource.org/licenses/mit-license.php)
+ */
+
+(function() {(function(n){var x=this||(0,eval)("this"),u=x.document,M=x.navigator,v=x.jQuery,F=x.JSON;(function(n){"function"===typeof define&&define.amd?define(["exports","require"],n):"object"===typeof exports&&"object"===typeof module?n(module.exports||exports):n(x.ko={})})(function(N,O){function J(a,c){return null===a||typeof a in T?a===c:!1}function U(b,c){var d;return function(){d||(d=a.a.setTimeout(function(){d=n;b()},c))}}function V(b,c){var d;return function(){clearTimeout(d);d=a.a.setTimeout(b,c)}}function W(a,
+c){c&&c!==I?"beforeChange"===c?this.Kb(a):this.Ha(a,c):this.Lb(a)}function X(a,c){null!==c&&c.k&&c.k()}function Y(a,c){var d=this.Hc,e=d[s];e.R||(this.lb&&this.Ma[c]?(d.Pb(c,a,this.Ma[c]),this.Ma[c]=null,--this.lb):e.r[c]||d.Pb(c,a,e.s?{ia:a}:d.uc(a)))}function K(b,c,d,e){a.d[b]={init:function(b,g,k,l,m){var h,r;a.m(function(){var q=a.a.c(g()),p=!d!==!q,A=!r;if(A||c||p!==h)A&&a.va.Aa()&&(r=a.a.ua(a.f.childNodes(b),!0)),p?(A||a.f.da(b,a.a.ua(r)),a.eb(e?e(m,q):m,b)):a.f.xa(b),h=p},null,{i:b});return{controlsDescendantBindings:!0}}};
+a.h.ta[b]=!1;a.f.Z[b]=!0}var a="undefined"!==typeof N?N:{};a.b=function(b,c){for(var d=b.split("."),e=a,f=0;f<d.length-1;f++)e=e[d[f]];e[d[d.length-1]]=c};a.G=function(a,c,d){a[c]=d};a.version="3.4.0";a.b("version",a.version);a.options={deferUpdates:!1,useOnlyNativeEvents:!1};a.a=function(){function b(a,b){for(var c in a)a.hasOwnProperty(c)&&b(c,a[c])}function c(a,b){if(b)for(var c in b)b.hasOwnProperty(c)&&(a[c]=b[c]);return a}function d(a,b){a.__proto__=b;return a}function e(b,c,d,e){var h=b[c].match(r)||
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+d||"radio"==d):d=!1;if(a.options.useOnlyNativeEvents||!v||d)if("function"==typeof u.createEvent)if("function"==typeof b.dispatchEvent)d=u.createEvent(l[c]||"HTMLEvents"),d.initEvent(c,!0,!0,x,0,0,0,0,0,!1,!1,!1,!1,0,b),b.dispatchEvent(d);else throw Error("The supplied element doesn't support dispatchEvent");else if(d&&b.click)b.click();else if("undefined"!=typeof b.fireEvent)b.fireEvent("on"+c);else throw Error("Browser doesn't support triggering events");else v(b).trigger(c)},c:function(b){return a.H(b)?
+b():b},zb:function(b){return a.H(b)?b.t():b},bb:function(b,c,d){var h;c&&("object"===typeof b.classList?(h=b.classList[d?"add":"remove"],a.a.q(c.match(r),function(a){h.call(b.classList,a)})):"string"===typeof b.className.baseVal?e(b.className,"baseVal",c,d):e(b,"className",c,d))},Za:function(b,c){var d=a.a.c(c);if(null===d||d===n)d="";var e=a.f.firstChild(b);!e||3!=e.nodeType||a.f.nextSibling(e)?a.f.da(b,[b.ownerDocument.createTextNode(d)]):e.data=d;a.a.Rc(b)},rc:function(a,b){a.name=b;if(7>=h)try{a.mergeAttributes(u.createElement("<input name='"+
+a.name+"'/>"),!1)}catch(c){}},Rc:function(a){9<=h&&(a=1==a.nodeType?a:a.parentNode,a.style&&(a.style.zoom=a.style.zoom))},Nc:function(a){if(h){var b=a.style.width;a.style.width=0;a.style.width=b}},hd:function(b,c){b=a.a.c(b);c=a.a.c(c);for(var d=[],e=b;e<=c;e++)d.push(e);return d},V:function(a){for(var b=[],c=0,d=a.length;c<d;c++)b.push(a[c]);return b},Yb:function(a){return g?Symbol(a):a},rd:6===h,sd:7===h,C:h,ec:function(b,c){for(var d=a.a.V(b.getElementsByTagName("input")).concat(a.a.V(b.getElementsByTagName("textarea"))),
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+a.l.w(a.a.Bb,null,[k,b,u,g,p])},null,{i:k})};var k=a.a.e.I();a.d.template={init:function(b,c){var d=a.a.c(c());if("string"==typeof d||d.name)a.f.xa(b);else{if("nodes"in d){if(d=d.nodes||[],a.H(d))throw Error('The "nodes" option must be a plain, non-observable array.');}else d=a.f.childNodes(b);d=a.a.jc(d);(new a.v.qa(b)).nodes(d)}return{controlsDescendantBindings:!0}},update:function(b,c,d,e,f){var g=c(),s;c=a.a.c(g);d=!0;e=null;"string"==typeof c?c={}:(g=c.name,"if"in c&&(d=a.a.c(c["if"])),d&&"ifnot"in
+c&&(d=!a.a.c(c.ifnot)),s=a.a.c(c.data));"foreach"in c?e=a.kd(g||b,d&&c.foreach||[],c,b,f):d?(f="data"in c?f.createChildContext(s,c.as):f,e=a.Ab(g||b,f,c,b)):a.f.xa(b);f=e;(s=a.a.e.get(b,k))&&"function"==typeof s.k&&s.k();a.a.e.set(b,k,f&&f.ba()?f:n)}};a.h.ta.template=function(b){b=a.h.yb(b);return 1==b.length&&b[0].unknown||a.h.ad(b,"name")?null:"This template engine does not support anonymous templates nested within its templates"};a.f.Z.template=!0})();a.b("setTemplateEngine",a.Db);a.b("renderTemplate",
+a.Ab);a.a.dc=function(a,c,d){if(a.length&&c.length){var e,f,g,k,l;for(e=f=0;(!d||e<d)&&(k=a[f]);++f){for(g=0;l=c[g];++g)if(k.value===l.value){k.moved=l.index;l.moved=k.index;c.splice(g,1);e=g=0;break}e+=g}}};a.a.ib=function(){function b(b,d,e,f,g){var k=Math.min,l=Math.max,m=[],h,n=b.length,q,p=d.length,s=p-n||1,u=n+p+1,t,v,x;for(h=0;h<=n;h++)for(v=t,m.push(t=[]),x=k(p,h+s),q=l(0,h-1);q<=x;q++)t[q]=q?h?b[h-1]===d[q-1]?v[q-1]:k(v[q]||u,t[q-1]||u)+1:q+1:h+1;k=[];l=[];s=[];h=n;for(q=p;h||q;)p=m[h][q]-
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+h=a.B(function(){var h=c(d,l,a.a.za(m,b))||[];0<m.length&&(a.a.qc(m,h),k&&a.l.w(k,null,[d,h,l]));m.length=0;a.a.ra(m,h)},null,{i:b,wa:function(){return!a.a.Qb(m)}});return{ca:m,B:h.ba()?h:n}}var c=a.a.e.I(),d=a.a.e.I();a.a.Bb=function(e,f,g,k,l){function m(b,c){w=q[c];v!==c&&(D[b]=w);w.qb(v++);a.a.za(w.ca,e);u.push(w);z.push(w)}function h(b,c){if(b)for(var d=0,e=c.length;d<e;d++)c[d]&&a.a.q(c[d].ca,function(a){b(a,d,c[d].ja)})}f=f||[];k=k||{};var r=a.a.e.get(e,c)===n,q=a.a.e.get(e,c)||[],p=a.a.fb(q,
+function(a){return a.ja}),s=a.a.ib(p,f,k.dontLimitMoves),u=[],t=0,v=0,x=[],z=[];f=[];for(var D=[],p=[],w,C=0,B,E;B=s[C];C++)switch(E=B.moved,B.status){case "deleted":E===n&&(w=q[t],w.B&&(w.B.k(),w.B=n),a.a.za(w.ca,e).length&&(k.beforeRemove&&(u.push(w),z.push(w),w.ja===d?w=null:f[C]=w),w&&x.push.apply(x,w.ca)));t++;break;case "retained":m(C,t++);break;case "added":E!==n?m(C,E):(w={ja:B.value,qb:a.N(v++)},u.push(w),z.push(w),r||(p[C]=w))}a.a.e.set(e,c,u);h(k.beforeMove,D);a.a.q(x,k.beforeRemove?a.$:
+a.removeNode);for(var C=0,r=a.f.firstChild(e),F;w=z[C];C++){w.ca||a.a.extend(w,b(e,g,w.ja,l,w.qb));for(t=0;s=w.ca[t];r=s.nextSibling,F=s,t++)s!==r&&a.f.gc(e,s,F);!w.Wc&&l&&(l(w.ja,w.ca,w.qb),w.Wc=!0)}h(k.beforeRemove,f);for(C=0;C<f.length;++C)f[C]&&(f[C].ja=d);h(k.afterMove,D);h(k.afterAdd,p)}})();a.b("utils.setDomNodeChildrenFromArrayMapping",a.a.Bb);a.W=function(){this.allowTemplateRewriting=!1};a.W.prototype=new a.O;a.W.prototype.renderTemplateSource=function(b,c,d,e){if(c=(9>a.a.C?0:b.nodes)?
+b.nodes():null)return a.a.V(c.cloneNode(!0).childNodes);b=b.text();return a.a.ma(b,e)};a.W.sb=new a.W;a.Db(a.W.sb);a.b("nativeTemplateEngine",a.W);(function(){a.vb=function(){var a=this.$c=function(){if(!v||!v.tmpl)return 0;try{if(0<=v.tmpl.tag.tmpl.open.toString().indexOf("__"))return 2}catch(a){}return 1}();this.renderTemplateSource=function(b,e,f,g){g=g||u;f=f||{};if(2>a)throw Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");var k=b.data("precompiled");
+k||(k=b.text()||"",k=v.template(null,"{{ko_with $item.koBindingContext}}"+k+"{{/ko_with}}"),b.data("precompiled",k));b=[e.$data];e=v.extend({koBindingContext:e},f.templateOptions);e=v.tmpl(k,b,e);e.appendTo(g.createElement("div"));v.fragments={};return e};this.createJavaScriptEvaluatorBlock=function(a){return"{{ko_code ((function() { return "+a+" })()) }}"};this.addTemplate=function(a,b){u.write("<script type='text/html' id='"+a+"'>"+b+"\x3c/script>")};0<a&&(v.tmpl.tag.ko_code={open:"__.push($1 || '');"},
+v.tmpl.tag.ko_with={open:"with($1) {",close:"} "})};a.vb.prototype=new a.O;var b=new a.vb;0<b.$c&&a.Db(b);a.b("jqueryTmplTemplateEngine",a.vb)})()})})();})();
diff --git a/resources/lang/en/admin.php b/resources/lang/en/admin.php
index 9176f2a..2afb5eb 100644
--- a/resources/lang/en/admin.php
+++ b/resources/lang/en/admin.php
@@ -19,9 +19,7 @@ return [
     'edit_album' => 'Edit photo album: :album_name',
     'edit_album_intro' => 'Photo albums contain individual photographs together in the same way as a physical photo album or memory book.',
     'edit_album_intro2' => 'Complete the form below to edit the properties of the album: :album_name.',
-    'upload_file_not_image_messages' => 'The file ":file_name" is not recognised as an image and won\'t be uploaded.',
-    'upload_file_status_failed' => ':file_name failed to upload',
-    'upload_file_status_success' => ':file_name uploaded successfully',
+    'is_uploading' => 'Uploading in progress...',
     'manage_widget' => [
         'panel_header' => 'Manage'
     ],
@@ -58,5 +56,11 @@ return [
         'upload_file_size' => 'Upload limit (each file):',
         'upload_max_limit' => 'Upload limit (maximum size):'
     ],
-    'title' => 'Gallery Admin'
+    'title' => 'Gallery Admin',
+    'upload_file_failed_continue' => 'Click the "Continue" button to analyse the file(s) that were uploaded.',
+    'upload_file_not_image_messages' => 'The file ":file_name" is not recognised as an image and won\'t be uploaded.',
+    'upload_file_number_failed' => 'file(s) failed to upload.',
+    'upload_file_status_failed' => ':file_name failed to upload',
+    'upload_file_status_progress' => ':current of :total files completed',
+    'upload_file_status_success' => ':file_name uploaded successfully',
 ];
\ No newline at end of file
diff --git a/resources/lang/en/forms.php b/resources/lang/en/forms.php
index 62cd3bd..fc3eec0 100644
--- a/resources/lang/en/forms.php
+++ b/resources/lang/en/forms.php
@@ -4,6 +4,7 @@ return [
     'bulk_edit_photos_label' => 'Bulk edit selected photos:',
     'bulk_edit_photos_placeholder' => 'Select an action',
     'cancel_action' => 'Cancel',
+    'continue_action' => 'Continue',
     'create_action' => 'Create',
     'delete_action' => 'Delete',
     'description_label' => 'Description:',
diff --git a/resources/lang/en/gallery.php b/resources/lang/en/gallery.php
new file mode 100644
index 0000000..18a8a6e
--- /dev/null
+++ b/resources/lang/en/gallery.php
@@ -0,0 +1,5 @@
+<?php
+return [
+    'index_no_results_heading' => 'This gallery is empty!',
+    'index_no_results_text' => 'If you are the owner of this gallery, you can create new albums and upload photos using the :admin_link.'
+];
\ No newline at end of file
diff --git a/resources/views/themes/base/admin/show_album.blade.php b/resources/views/themes/base/admin/show_album.blade.php
index 6168171..c9d9955 100644
--- a/resources/views/themes/base/admin/show_album.blade.php
+++ b/resources/views/themes/base/admin/show_album.blade.php
@@ -70,7 +70,7 @@
                             <h4>Upload images</h4>
 
                             <div class="row">
-                                <div class="col-sm-5">
+                                <div class="col-sm-5" style="margin-bottom: 20px;">
                                     {!! Form::open(['route' => 'photos.store', 'method' => 'POST', 'files' => true, 'id' => 'single-upload-form']) !!}
                                     {!! Form::hidden('album_id', $album->id) !!}
 
@@ -79,22 +79,38 @@
                                     </div>
 
                                     <div>
-                                        <button type="submit" class="btn btn-success">@lang('forms.upload_action')</button>
+                                        <button type="submit" class="btn btn-success" data-bind="disable: isUploadInProgress, text: isUploadInProgress() ? '@lang('admin.is_uploading')' : '@lang('forms.upload_action')'">@lang('forms.upload_action')</button>
                                     </div>
                                     {!! Form::close() !!}
                                 </div>
 
-                                <div class="col-sm-5 text-center" id="upload-progress-bar" style="display: none;">
-                                    <p><b>Uploading...</b></p>
-                                    <div class="progress">
-                                        <div class="progress-bar progress-bar-success" style="width: 0%">
-                                            <span class="sr-only"><span class="percentage-success">0%</span> Complete (success)</span>
-                                        </div>
-                                        <div class="progress-bar progress-bar-danger" style="width: 0%">
-                                            <span class="sr-only"><span class="percentage-danger">0%</span> Complete (warning)</span>
+                                <div class="col-sm-5">
+                                    <div class="text-center" data-bind="visible: isUploadInProgress">
+                                        <p><b>@lang('admin.is_uploading')</b></p>
+                                        <div class="progress">
+                                            <div class="progress-bar progress-bar-success" data-bind="style: { width: successfulPercentage() }">
+                                                <span class="sr-only"><span class="percentage-success" data-bind="text: successfulPercentage"></span></span>
+                                            </div>
+                                            <div class="progress-bar progress-bar-danger" data-bind="style: { width: failedPercentage() }">
+                                                <span class="sr-only"><span class="percentage-danger" data-bind="text: failedPercentage"></span></span>
+                                            </div>
                                         </div>
+                                        <p data-bind="text: currentStatus"></p>
+                                    </div>
+
+                                    <div data-bind="visible: statusMessages().length > 0">
+                                        <p data-bind="visible: !isUploadInProgress()" class="text-danger" style="font-weight: bold">
+                                            <span data-bind="text: imagesFailed"></span> @lang('admin.upload_file_number_failed')
+                                        </p>
+                                        <p data-bind="visible: imagesUploaded() > 0">
+                                            @lang('admin.upload_file_failed_continue')<br /><br/>
+                                            <a href="{{ route('albums.analyse', ['id' => $album->id]) }}" class="btn btn-primary">@lang('forms.continue_action')</a>
+                                        </p>
+
+                                        <ul data-bind="foreach: statusMessages">
+                                            <li data-bind="css: message_class, text: message_text"></li>
+                                        </ul>
                                     </div>
-                                    <p id="upload-status-text"></p>
                                 </div>
                             </div>
 
@@ -130,9 +146,15 @@
 
 @push('scripts')
 <script type="text/javascript">
-    var images_failed = 0;
-    var images_uploaded = 0;
-    var images_total = 0;
+    var language = [];
+    language.image_failed = '{!! addslashes(trans('admin.upload_file_status_failed')) !!}';
+    language.image_uploaded = '{!! addslashes(trans('admin.upload_file_status_success')) !!}';
+    language.upload_status = '{!! addslashes(trans('admin.upload_file_status_progress')) !!}';
+
+    var urls = [];
+    urls.analyse = '{{ route('albums.analyse', ['id' => $album->id]) }}';
+
+    var viewModel = new UploadPhotosViewModel('{{ $album->id }}', language, urls);
 
     function deletePhoto(photo_id, parent)
     {
@@ -180,51 +202,6 @@
         });
     }
 
-    function updateProgressBar()
-    {
-        if ((images_uploaded > 0 && images_uploaded + images_failed) == images_total)
-        {
-            window.location = '{{ route('albums.analyse', ['id' => $album->id]) }}';
-        }
-
-        var failed_percentage = ((images_failed / images_total) * 100).toFixed(2);
-        var success_percentage = ((images_uploaded / images_total) * 100).toFixed(2);
-
-        $('#upload-progress-bar').show();
-        $('.progress-bar-success', '#upload-progress-bar').css('width', success_percentage + '%');
-        $('.progress-bar-danger', '#upload-progress-bar').css('width', failed_percentage + '%');
-        $('.percentage-success', '#upload-progress-bar').html(success_percentage);
-        $('.percentage-danger', '#upload-progress-bar').html(failed_percentage);
-    }
-
-    function uploadImageFile(formObject, imageFile)
-    {
-        var formData = new FormData();
-        formData.append('album_id', '{{ $album->id }}');
-        formData.append('photo[]', imageFile, imageFile.name);
-
-        $.ajax(
-            {
-                complete: function() {
-                    updateProgressBar();
-                },
-                contentType: false,
-                data: formData,
-                error: function() {
-                    images_failed++;
-                    $('#upload-status-text').html('@lang('admin.upload_file_status_failed')'.replace(':file_name', imageFile.name));
-                },
-                method: $(formObject).attr('method'),
-                processData: false,
-                success: function() {
-                    images_uploaded++;
-                    $('#upload-status-text').html('@lang('admin.upload_file_status_success')'.replace(':file_name', imageFile.name));
-                },
-                url: $(formObject).attr('action')
-            }
-        );
-    }
-
     $(document).ready(function() {
         $('#upload-button').click(function() {
             $('.nav-tabs a[href="#upload-tab"]').tab('show');
@@ -289,21 +266,12 @@
                 var fileSelect = $('#single-upload-files', this);
                 var uploadButton = $('button[type=submit]', this);
 
-                var currentText = uploadButton.html();
-
-                // Update button text
-                uploadButton.attr('disabled', 'disabled');
-                uploadButton.html('Uploading...');
-
                 // Get the selected files
                 var notImageString = '{!! addslashes(trans('admin.upload_file_not_image_messages')) !!}';
                 var files = fileSelect[0].files;
 
                 // Reset statistics
-                images_total = files.length;
-                images_failed = 0;
-                images_uploaded = 0;
-                updateProgressBar();
+                viewModel.startUpload(files.length);
 
                 // Loop through each of the selected files and upload them individually
                 for (var i = 0; i < files.length; i++)
@@ -314,18 +282,21 @@
                     if (!file.type.match('image.*'))
                     {
                         alert(notImageString.replace(':file_name', file.name));
+                        viewModel.onUploadFailed();
                         continue;
                     }
 
                     // Upload the file
-                    uploadImageFile($(this), file);
+                    viewModel.uploadFile($(this), file);
                 }
 
                 // Prevent standard form upload
                 event.preventDefault();
                 return false;
-            })
+            });
         }
+
+        ko.applyBindings(viewModel);
     })
 </script>
 @endpush
\ No newline at end of file
diff --git a/resources/views/themes/base/gallery/index.blade.php b/resources/views/themes/base/gallery/index.blade.php
index dd7ba8f..4fbb059 100644
--- a/resources/views/themes/base/gallery/index.blade.php
+++ b/resources/views/themes/base/gallery/index.blade.php
@@ -30,7 +30,8 @@
                 <div class="col-xs-12 text-center">
                     <img src="{{ $theme_url }}/images/empty-fuel-gauge.jpg" style="width: 300px;" />
 
-                    <h1>Nothing to see here!</h1>
+                    <h1>@lang('gallery.index_no_results_heading')</h1>
+                    <p>@lang('gallery.index_no_results_text', ['admin_link' => sprintf('<a href="%s">%s</a>', route('admin'), trans('admin.title'))])</p>
                 </div>
             @endif
         </div>
diff --git a/resources/views/themes/base/layout.blade.php b/resources/views/themes/base/layout.blade.php
index 011cad2..876f675 100644
--- a/resources/views/themes/base/layout.blade.php
+++ b/resources/views/themes/base/layout.blade.php
@@ -61,6 +61,7 @@
         <script src="themes/base/js/jquery.min.js?v={{ urlencode(config('app.version')) }}"></script>
         <script src="themes/base/bootstrap/js/bootstrap.min.js?v={{ urlencode(config('app.version')) }}"></script>
         <script src="themes/base/js/bootbox.min.js?v={{ urlencode(config('app.version')) }}"></script>
+        <script src="themes/base/js/knockout.min.js?v={{ urlencode(config('app.version')) }}"></script>
         <script src="themes/base/js/app.js?v={{ urlencode(config('app.version')) }}"></script>
         <script type="text/javascript">
             $.ajaxSetup({